1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.kernel.bean;
24  
25  import java.lang.Object;
26  import java.lang.reflect.InvocationHandler;
27  import java.lang.reflect.InvocationTargetException;
28  import java.lang.reflect.Method;
29  
30  /**
31   * <a href="ReadOnlyBeanHandler.java.html"><b><i>View Source</i></b></a>
32   *
33   * @author Brian Wing Shun Chan
34   */
35  public class ReadOnlyBeanHandler implements InvocationHandler {
36  
37      public ReadOnlyBeanHandler(Object bean) {
38          _bean = bean;
39      }
40  
41      public Object invoke(Object proxy, Method method, Object[] args)
42          throws Throwable {
43  
44          if (method.getName().startsWith("set")) {
45              throw new IllegalAccessException(
46                  "Setter methods cannot be called on a read only bean");
47          }
48  
49          try {
50              return method.invoke(_bean, args);
51          }
52          catch (InvocationTargetException ite) {
53              throw ite.getTargetException();
54          }
55      }
56  
57      private Object _bean;
58  
59  }